The M&P AR-15 Rifle Customizable LowerPartsKit is the perfect choice if you want to build a custom AR-15. This kit provides all the minor parts generally used in an AR-15 build, but allows the flexibility to add popular common aftermarket upgrades. Kit Includes: * Bolt Catch * Bolt Catch Plunger *…

…Superiority AR-15 Complete Lowerpartskit boasts top-notch quality mil-spec parts made in the USA. Tactical Superiority is the best starting point for any AR sporting rifle build. Only the best materials and craftsmanship go into Tactical Superiority’s partskits. For the best AR-15 components…